Keto Approved
Blackberries
6.20g net carbs per 1 cup
6.2g net carbs per cup. High antioxidants (anthocyanins). Great with heavy cream.
By MeKeto Editorial · Last updated July 2026
Nutrition Facts
Fits My Daily Budget?
Set your daily net carb limit to see how one serving fits.
One serving uses 31% of your 20g daily budget.
Plan the rest of your day
Good to Know
Fresh berries should look plump and deep purple-black, with no red drupelets, since those signal underripe fruit that turns mushy fast. Frozen unsweetened bags from Dole or Cascadian Farm work fine and skip any added sugar, though dried or fruit-spread versions can pack 20 grams of sugar per serving. A half cup over Greek yogurt or folded into chia pudding keeps net carbs around 3 grams while still giving you that tart bite.
Is Blackberries Keto? The Full Answer
Blackberries contains 6.20g net carbs per 1 cup (13.80g total carbs minus 7.60g fiber). 6.2g net carbs per cup. High antioxidants (anthocyanins). Great with heavy cream.
On a standard ketogenic diet, most people target 20-25g net carbs per day. A single serving uses 31% of a 20g daily carb limit. That makes Blackberries a reliable keto staple.
Measure Your Ketone Levels
A blood ketone meter reads beta-hydroxybutyrate from a finger prick, the marker that defines nutritional ketosis at 0.5 to 3.0 mmol/L. Urine strips measure acetoacetate instead, which drops off once you are fat-adapted. Keto-Mojo makes a blood meter.
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